Successful cult memes induce intense social interaction behaviour between cult members. This trips the attention detectors.

High status males had multiple wives or additional mating opportunities in the ancestral environment.

Brigham Young had 47 children, and over 50 women as wives.

Some people recovering from drugs or alcohol stay with the programs indefinitely, making the recovery program their family, a long-term source of attention rewards.

The information that is passed from person to person and from generation to generation is the primary factor that gives humans a competitive advantage over other animals.

Cults, or related social movements such as the Taliban in Afghanistan, result in massive military expenses.

People repeat behaviour that leads to flooding their brains with pleasurable chemicals. The short-term reward loop acts over hours to years, and the long-term reproductive success loop over generations.